User's Manual

10 LS420 Universal User Manual V2.91 2003-01-21.doc

the load connected on the lockout. An internal auto-re-settable fuse limits the current to 1

Amp. If a current higher than 1.5 Amp appears on the white wire, the fuse will trigger, cutting

the current on this circuit. The fuse will permit the normal current flow to resume a few sec-

onds after short-circuit removal. Fuse model #60R075 from www.littlefuse.com.

•

Green wire: normally not used. For optional second lockout, only when ordered.

•

Orange wire: do not connect. Display units made before July 2001 (s/n lower than 22545)

were powered with the orange wire instead of the red. This was changed to conform to indus-

try standard. Now for optional cabled A2B, only when ordered.

Black wire: negative (ground)

Red wire: +12 or 24 volts (crane power supply)

White wire: standard lockout

Green wire: for optional second lockout, only when

ordered

Orange wire:

do not connect

. For o

tional cabled A2B, only when ordered.

Wiring example without lockout

Battery +12V

or +24V

Black

wire

Red wire

Yellow c

ble